- ICBP Asia Continental Section International Conference, April 1984, Bangkok. Co-author Indonesia Country Report, and invited participant
- 2nd International Conference on Wetlands and Development, 8-14 November 1998, Dakar, Senegal. Co-author of oral presentation on “Wetland Management Training at the KWS Training Institute, Naivasha (Kenya)“ in the workshop on Integrated Wetlands and Water Resources Management, and participant
- International Conference on Shallow Tropical Waters and Humans, 11-16 April 1999, Naivasha, Kenya. Co-organiser and participant
- Space: An Integral Part of Sustainable Development - Water Resources and Forest Management, 30 September - 3 October 1999, Enschede, Netherlands. Participant
- Forest valuation & innovative financing mechanisms for conservation and sustainable management of tropical forests, 20-21 March 2002, The Hague, Netherlands. Participant
- ASEAN Heritage Parks Conference, 20-24 September 2004, Khao Yai National Park, Thailand. Participant
- XIX Annual Meeting of the Society of Conservation Biology, 14-19 July 2005, Brazil. Presentation on “Meeting Indonesia's capacity building needs through a collaborative framework: The Conservation Training and Resource Center“ during the Symposium on “Capacity Building for Conservation: Diverse Audiences, Multiple Approaches, and Challenges for the Future”
- International Seminar on Education for Sustainable Development: Biofuel for Sustainable Development, 29 November 2006, SEAMEO BIOTROP, Bogor, Indonesia. Speaker on “Ecological Aspects of Biofuel Production“
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